Apple, Google, Microsoft and IBM have four of the five most valuable brands in 2015 – they’re split by Coco-Cola – according to Interbrand’s annual list of the top 100. But which ones have survived from 2005? Latest stories for ZDNet related to UK

India’s prime minister Narendra Modi has made a whirlwind visit to Silicon Valley to woo US tech firms with his vision of Digital India, and he’s received support from Microsoft, Google, Qualcomm and Facebook…. Latest stories for ZDNet related to UK